// Copyright (c) 2015 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

"use strict";
const fetch = require("node-fetch");
const config = require("./config");
const errors = require("./errors");

/* eslint-disable max-statements, max-len, no-console, no-undef */
function publish(dashboard, opts) {
  opts = opts || {};

  if (!dashboard) {
    throw errors.UnfulfilledRequirement(
      "{component} missing requirement: {unfulfilledArg}",
      {
        component: "grafana.publish",
        unfulfilledArg: "dashboard"
      }
    );
  }

  const state = dashboard.state;
  const cfg = config.getConfig();

  if (!state || !state.title) {
    throw errors.InvalidState(
      "{component} state is invalid: state.{invalidArg} {reason}",
      {
        component: "grafana.Dashboard",
        invalidArg: "title",
        reason: "undefined"
      }
    );
  }

  if (!cfg.url) {
    throw errors.Misconfigured(
      "Incorrect configuration: config.{invalidArg} {reason} - {resolution}",
      {
        invalidArg: "url",
        reason: "undefined",
        resolution: "Must call grafana.configure before publishing"
      }
    );
  }

  if (!cfg.cookie) {
    throw errors.Misconfigured(
      "Incorrect configuration: config.{invalidArg} {reason} - {resolution}",
        {
        invalidArg: "cookie",
        reason: "undefined"
      }
    );
  }

  const headers = new fetch.Headers(cfg.headers || {});
  headers.set("Cookie", cfg.cookie);
  headers.set("Content-Type", "application/json");

  const createData = {
    dashboard: dashboard.generate(),
    overwrite: true
  };

  return fetch(cfg.url, {
    method: "POST",
    headers: headers,
    body: JSON.stringify(createData),
    timeout: opts.timeout || 1000
  })
    .then(resp => {
      if (resp.ok) {
        console.log("Published the dashboard", state.title);
        return resp.text();
      } else {
        throw new errors.ResponseError(
          "request failed: {name}",
          {
            name: resp.statusText,
            response: resp
          }
        );
      }
    })
    .catch(e => {
      console.log(
        "grafana-dash-gen: publish: caught error: ",
        e.name,
        e.message
      );
      console.log("Unable to publish dashboard ", state.title);
      if (e.response) {
        console.log("response headers: ", e.response && e.response.headers.raw());
        console.log("response body: ", e.response && e.response.text());
        console.log("response statusCode:", e.response && e.response.status);
      }
      throw e; // rethrow for downstream consumers
    });
}
/* eslint-enable */

module.exports = publish;
